Home / 1,089,752.63-1,634,612.51-490,290.47

Finding the Fourth Proportional to 1,089,752.63, 1,634,612.51 and 490,290.47

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Solution

The fourth proportional to 1,089,752.63, 1,634,612.51 and 490,290.47 is: 735,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,752.63 : 1,634,612.51 = 490,290.47 : x
  2. Step 2: Convert to fraction form
    1,089,752.63/1,634,612.51 = 490,290.47/x
  3. Step 3: Cross multiply
    1,089,752.63x = 1,634,612.51 × 490,290.47
  4. Step 4: Simplify right side
    1,089,752.63x = 801,434,935,795.78
  5. Step 5: Solve for x
    x = 801,434,935,795.78/1,089,752.63
  6. Step 6: Final answer
    x = 735,428.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.